/*!
    create css by 2020-11-16  kexuemihe  @wang 
*/
/* 自定义公共样式 */
 
 /*清除浮动*/

div,p,i,em,b,strong,ul,li,a{
    user-select: none;
}
 .clearfix:before, .clearfix:after {
     content: " ";
     display: inline-block;
     height: 0;
     clear: both;
     visibility: hidden;
 }

 .clearfix {
     *zoom: 1;
 }

 .dn {
     display: none;
 }

 /*隐藏*/

 .db {
     display: block;
 }

 .dib {
     display: inline-block;
 }

 .fl {
     float: left;
 }

 .fr {
     float: right;
 }